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src/share/vm/utilities/debug.hpp

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rev 7623 : imported patch update3

*** 1,7 **** /* ! * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. --- 1,7 ---- /* ! * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.
*** 231,250 **** // // Implementation Note: STATIC_ASSERT_FAILURE<true> provides a value member // rather than type member that could be used directly in the typedef, because // a type member would require conditional use of "typename", depending on // whether Cond is dependent or not. The use of a value member leads to the ! // use of an array type. Terniary operator because, purportedly, some old ! // compilers don't handle implict conversion properly in this context. it ! // also deals with C++11 constexpr explict conversion to bool :) template<bool x> struct STATIC_ASSERT_FAILURE; template<> struct STATIC_ASSERT_FAILURE<true> { enum { value = 1 }; }; #define STATIC_ASSERT(Cond) \ typedef char STATIC_ASSERT_FAILURE_ ## __LINE__ [ \ ! STATIC_ASSERT_FAILURE< (Cond) ? true : false >::value ] // out of shared space reporting enum SharedSpaceType { SharedReadOnly, SharedReadWrite, --- 231,248 ---- // // Implementation Note: STATIC_ASSERT_FAILURE<true> provides a value member // rather than type member that could be used directly in the typedef, because // a type member would require conditional use of "typename", depending on // whether Cond is dependent or not. The use of a value member leads to the ! // use of an array type. template<bool x> struct STATIC_ASSERT_FAILURE; template<> struct STATIC_ASSERT_FAILURE<true> { enum { value = 1 }; }; #define STATIC_ASSERT(Cond) \ typedef char STATIC_ASSERT_FAILURE_ ## __LINE__ [ \ ! STATIC_ASSERT_FAILURE< (Cond) >::value ] // out of shared space reporting enum SharedSpaceType { SharedReadOnly, SharedReadWrite,
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